--- /dev/null
+<?php
+
+namespace Drupal\Tests\aggregator\Functional\Hal;
+
+use Drupal\aggregator\Entity\Feed;
+use Drupal\Tests\aggregator\Functional\Rest\ItemResourceTestBase;
+use Drupal\Tests\hal\Functional\EntityResource\HalEntityNormalizationTrait;
+use Drupal\Tests\rest\Functional\AnonResourceTestTrait;
+
+/**
+ * ResourceTestBase for Item entity.
+ */
+abstract class ItemHalJsonTestBase extends ItemResourceTestBase {
+
+ use HalEntityNormalizationTrait;
+ use AnonResourceTestTrait;
+
+ /**
+ * {@inheritdoc}
+ */
+ public static $modules = ['hal'];
+
+ /**
+ * {@inheritdoc}
+ */
+ protected static $format = 'hal_json';
+
+ /**
+ * {@inheritdoc}
+ */
+ protected static $mimeType = 'application/hal+json';
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function getExpectedNormalizedEntity() {
+ $default_normalization = parent::getExpectedNormalizedEntity();
+ $normalization = $this->applyHalFieldNormalization($default_normalization);
+ $feed = Feed::load($this->entity->getFeedId());
+
+ return $normalization + [
+ '_embedded' => [
+ $this->baseUrl . '/rest/relation/aggregator_item/aggregator_item/fid' => [
+ [
+ '_links' => [
+ 'self' => [
+ 'href' => $this->baseUrl . '/aggregator/sources/1?_format=hal_json',
+ ],
+ 'type' => [
+ 'href' => $this->baseUrl . '/rest/type/aggregator_feed/aggregator_feed',
+ ],
+ ],
+ 'uuid' => [
+ [
+ 'value' => $feed->uuid(),
+ ],
+ ],
+ ],
+ ],
+ ],
+ '_links' => [
+ 'self' => [
+ 'href' => '',
+ ],
+ 'type' => [
+ 'href' => $this->baseUrl . '/rest/type/aggregator_item/aggregator_item',
+ ],
+ $this->baseUrl . '/rest/relation/aggregator_item/aggregator_item/fid' => [
+ [
+ 'href' => $this->baseUrl . '/aggregator/sources/' . $feed->id() . '?_format=hal_json',
+ ],
+ ],
+ ],
+ ];
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function getNormalizedPostEntity() {
+ return parent::getNormalizedPostEntity() + [
+ '_links' => [
+ 'type' => [
+ 'href' => $this->baseUrl . '/rest/type/aggregator_item/aggregator_item',
+ ],
+ ],
+ ];
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function getExpectedCacheContexts() {
+ return [
+ 'url.site',
+ 'user.permissions',
+ ];
+ }
+
+}